Who should be the Red Sox’s top priority to sign?

The Boston Red Sox have seven free agents they have to make a decision about. The list includes pitchers Erik Bedard, Tim Wakefield and Jonathan Papelbon, catcher Jason Varitek, outfielder J.D. Drew, DH David Ortiz and utility player Conor Jackson. Who should they try to keep for low money? Who should they set free? And why?